[INFO] cloning repository NikitaSmall/rust_rpn [INFO] running `"git" "clone" "--bare" "git://github.com/NikitaSmall/rust_rpn.git" "work/cache/sources/gh/NikitaSmall/rust_rpn"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/NikitaSmall/rust_rpn'... [INFO] running `"git" "clone" "work/cache/sources/gh/NikitaSmall/rust_rpn" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/NikitaSmall/rust_rpn"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/NikitaSmall/rust_rpn'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/NikitaSmall/rust_rpn" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/NikitaSmall/rust_rpn"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/NikitaSmall/rust_rpn'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 34a83739d911b80bb25319db4149fbd4084660a3 [INFO] sha for GitHub repo NikitaSmall/rust_rpn: 34a83739d911b80bb25319db4149fbd4084660a3 [INFO] validating manifest of NikitaSmall/rust_rpn on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of NikitaSmall/rust_rpn on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing NikitaSmall/rust_rpn [INFO] finished frobbing NikitaSmall/rust_rpn [INFO] frobbed toml for NikitaSmall/rust_rpn written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/NikitaSmall/rust_rpn/Cargo.toml [INFO] started frobbing NikitaSmall/rust_rpn [INFO] finished frobbing NikitaSmall/rust_rpn [INFO] frobbed toml for NikitaSmall/rust_rpn written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/NikitaSmall/rust_rpn/Cargo.toml [INFO] crate NikitaSmall/rust_rpn already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking NikitaSmall/rust_rpn against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/NikitaSmall/rust_rpn:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] e24960512518111f6641330a8bc4ee1c65aab89a7c89eb601269178fd57d2646 [INFO] running `"docker" "start" "-a" "e24960512518111f6641330a8bc4ee1c65aab89a7c89eb601269178fd57d2646"` [INFO] [stderr] Checking rpn v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: field is never used: `raw` [INFO] [stderr] --> src/converter.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | raw: String, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `prededence` [INFO] [stderr] --> src/converter.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | prededence: HashMap, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `convert` [INFO] [stderr] --> src/converter.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn convert(raw: String) -> Converter { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `process` [INFO] [stderr] --> src/converter.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | fn process(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/converter.rs:95:13 [INFO] [stderr] | [INFO] [stderr] 95 | let mut converter = Converter::convert(example_string); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/converter.rs:103:13 [INFO] [stderr] | [INFO] [stderr] 103 | let mut converter = Converter::convert(example_string); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.72s [INFO] running `"docker" "inspect" "e24960512518111f6641330a8bc4ee1c65aab89a7c89eb601269178fd57d2646"` [INFO] running `"docker" "rm" "-f" "e24960512518111f6641330a8bc4ee1c65aab89a7c89eb601269178fd57d2646"` [INFO] [stdout] e24960512518111f6641330a8bc4ee1c65aab89a7c89eb601269178fd57d2646